// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/base/resource/resource_data_dll_win.h"

#include <stddef.h>

#include "base/logging.h"
#include "base/memory/ref_counted_memory.h"
#include "base/win/resource_util.h"

namespace ui {

ResourceDataDLL::ResourceDataDLL(HINSTANCE module)
    : module_(module)
{
    DCHECK(module_);
}

ResourceDataDLL::~ResourceDataDLL()
{
}

bool ResourceDataDLL::HasResource(uint16_t resource_id) const
{
    void* data_ptr;
    size_t data_size;
    return base::win::GetDataResourceFromModule(module_,
        resource_id,
        &data_ptr,
        &data_size);
}

bool ResourceDataDLL::GetStringPiece(uint16_t resource_id,
    base::StringPiece* data) const
{
    DCHECK(data);
    void* data_ptr;
    size_t data_size;
    if (base::win::GetDataResourceFromModule(module_,
            resource_id,
            &data_ptr,
            &data_size)) {
        data->set(static_cast<const char*>(data_ptr), data_size);
        return true;
    }
    return false;
}

base::RefCountedStaticMemory* ResourceDataDLL::GetStaticMemory(
    uint16_t resource_id) const
{
    void* data_ptr;
    size_t data_size;
    if (base::win::GetDataResourceFromModule(module_, resource_id, &data_ptr,
            &data_size)) {
        return new base::RefCountedStaticMemory(data_ptr, data_size);
    }
    return NULL;
}

ResourceHandle::TextEncodingType ResourceDataDLL::GetTextEncodingType() const
{
    return BINARY;
}

ScaleFactor ResourceDataDLL::GetScaleFactor() const
{
    return ui::SCALE_FACTOR_NONE;
}

bool ResourceDataDLL::HasOnlyMaterialDesignAssets() const
{
    return false;
}

} // namespace ui
